CCSS HSN-CN.A.1 Worksheets
Algebra 2 · The Complex Number System
Know there is a complex number i such that i² = -1, and that every complex number can be written in the form a + bi with a and b real numbers.
Below are free printable worksheets that support HSN-CN.A.1. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.
Teaching guide
What students learn
Know there is a complex number i such that i² = -1, and that every complex number can be written in the form a + bi with a and b real numbers.
Worked example
Simplify:
Answer: 1
Why: 40 = 4 × 10, so = = = 1 (since i⁴ = 1).
Generated and checked in code, so it is correct.
Algebra worksheets
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